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16_CUL_RFR.pm: clarifications in the doc (Forum #78574)

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git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@15341 2b470e98-0d58-463d-a4d8-8e2adae1ed80
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rudolfkoenig 2017-10-29 14:24:51 +00:00
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16
FHEM/16_CUL_RFR.pm
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@ -161,10 +161,22 @@ CUL_RFR_AddPrefix($$)
The CUL_RFR module is used to "attach" a second CUL to your base CUL, and
use it as a repeater / range extender. RFR is shorthand for RF_ROUTER.
Transmission of the data uses the CC1101 packet capabilities with GFSK
modulation at 250kBaud after pinging the base CUL at the usual 1kBaud. When
modulation at 250kBaud after pinging the base CUL at the usual 1kBaud. After
configured, the RFR device can be used like another CUL connected directly to
fhem.
FHEM.<br>
In theory every SlowRF protocol should work, as the hook is implemented in
the culfw output routine: instead of sending the data to the USB-Interface it
is transmitted via radio to the base CUL. There are still some restrictions:
<ul>
<li>due to the ping both CULs have to be in SlowRF mode, and use the same
parameters (freq, bwidth, etc).</li>
<li>the logical module handling the protocol is not allowed to access the
routines of the IODev (i.e. CUL) directly.</li>
</ul>
Tested protocols are FHT, FS20, EM, HMS, S300.<br>
Since there is no ack or a resend mechanism, it should be primarily used to
forward "unimportant" data, it was developed for forwading KS300 packets.
<br><br>
Before you can use this feature in fhem, you have to enable/configure RF